551265511848 has 16 divisors (see below), whose sum is σ = 1378163779680. Its totient is φ = 183755170608.

The previous prime is 551265511817. The next prime is 551265511889. The reversal of 551265511848 is 848115562155.

It is a self number, because there is not a number n which added to its sum of digits gives 551265511848.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11484698140 + ... + 11484698187.

It is an arithmetic number, because the mean of its divisors is an integer number (86135236230).

Almost surely, 2^551265511848 is an apocalyptic number.

It is an amenable number.

551265511848 is an abundant number, since it is smaller than the sum of its proper divisors (826898267832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

551265511848 is a wasteful number, since it uses less digits than its factorization.

551265511848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22969396336 (or 22969396332 counting only the distinct ones).

The product of its digits is 1920000, while the sum is 51.

The spelling of 551265511848 in words is "five hundred fifty-one billion, two hundred sixty-five million, five hundred eleven thousand, eight hundred forty-eight".